/*
 * This code based on Silicon Graphics, Inc.'s redbook
 * http://www.opengl.org/resources/code/samples/redbook/
 */

/*
 * Copyright (C) 2008 aki@akjava.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * original code license
 * Copyright (c) 1993-1997, Silicon Graphics, Inc.
 * ALL RIGHTS RESERVED 
 * Permission to use, copy, modify, and distribute this software for 
 * any purpose and without fee is hereby granted, provided that the above
 * copyright notice appear in all copies and that both the copyright notice
 * and this permission notice appear in supporting documentation, and that 
 * the name of Silicon Graphics, Inc. not be used in advertising
 * or publicity pertaining to distribution of the software without specific,
 * written prior permission. 
 *
 * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
 * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
 * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
 * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
 * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
 * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
 * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
 * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
 * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
 * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
 * 
 * US Government Users Restricted Rights 
 * Use, duplication, or disclosure by the Government is subject to
 * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
 * (c)(1)(ii) of the Rights in Technical Data and Computer Software
 * clause at DFARS 252.227-7013 and/or in similar or successor
 * clauses in the FAR or the DOD or NASA FAR Supplement.
 * Unpublished-- rights reserved under the copyright laws of the
 * United States.  Contractor/manufacturer is Silicon Graphics,
 * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
 *
 * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
 */

package com.akjava.android.openglsamples.redbook;

import java.nio.FloatBuffer;

import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;

import android.content.Context;
import android.opengl.GLU;

import com.akjava.android.openglsamples.GLUT;


public class MoveLightRenderer extends RedBookSimpleRenderer {


	public MoveLightRenderer(Context context) {
       super(context);
    }


FloatBuffer positionBuffer;
    public void setUpBuffers() {
    	//somehow not light
    	//positionBuffer=FloatBuffer.wrap(new float[]{ 0.0f, 0.0f, 1.5f,1f });
    	positionBuffer=FloatBuffer.wrap(new float[]{ 0.0f, 0.0f, 1.5f, 0f  });
    }
    

    public void onSurfaceChanged(GL10 gl, int w, int h) {
    	gl.glViewport (0, 0,  w,  h);
    	gl.glMatrixMode (GL10.GL_PROJECTION);
    	gl. glLoadIdentity();
    	GLU.gluPerspective(gl,40.0f, (float) w/(float) h, 1.0f, 20.0f);
    	gl.glMatrixMode(GL10.GL_MODELVIEW);
    	gl.glLoadIdentity();
	   
    }



    public void onDrawFrame(GL10 gl) {
    	gl.glEnableClientState (GL10.GL_VERTEX_ARRAY);

    	
    	   gl.glClear (GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);
    	   gl.glPushMatrix ();
    	   GLU.gluLookAt (gl,0.0f, 0.0f, 5.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f);

    	   //GLUT.glutSolidCube(gl, 1);
    	   
    	   gl.glPushMatrix ();
    	   gl.glRotatef (upDownValue, 1.0f, 0.0f, 0.0f);
    	   gl.glLightfv (GL10.GL_LIGHT0, GL10.GL_POSITION, positionBuffer);

    	   gl.glTranslatef (0.0f, 0.0f, 1.5f);
    	   gl.glDisable (GL10.GL_LIGHTING);
    	   gl. glColor4f (0.0f, 1.0f, 1.0f,1.0f);
    	   GLUT.glutWireCube (gl,0.1f);
    	   gl.glEnable (GL10.GL_LIGHTING);
    	   gl.glPopMatrix ();
    	   
//    	   gl. glColor4f (0.0f, 1.0f, 1.0f,1.0f);

    	   GLUT.glutSolidTorus (gl,0.275f, 0.85f, 8, 15);
    	   gl.glPopMatrix ();
    	   gl.glFlush();
    }



	@Override
	public void onSurfaceCreated(GL10 gl, EGLConfig config) {setUpBuffers();
		   gl.glClearColor (0.0f, 0.0f, 0.0f, 1f);
		   gl.glShadeModel (GL10.GL_SMOOTH);
		   gl.glEnable(GL10.GL_LIGHTING);
		   gl.glEnable(GL10.GL_LIGHT0);
		   gl.glEnable(GL10.GL_DEPTH_TEST);
	}



	


	
}


